flutter build apk
mv build/app/outputs/flutter-apk/app-release.apk build/app/outputs/flutter-apk/grownest.apk
scp /Users/me/Desktop/学习项目/fruit-nest/build/app/outputs/flutter-apk/grownest.apk root@123.206.196.138:/usr/share/nginx/html/ngroot/apk